Page Yield* Per Black Cartridge: 2,400, Color Cartridge: 1,200 For best results, store in a cool, dry place. Use within 36 months of purchase for optimal performance. *at 5% coverage (ISO/IEC standard) These compatible Inkjet cartridges replace OEM Brother ink cartridges without sacrificing quality and performance. Compatible with the following Brother printers: MFC-J5910DW, MFC-J6510DW, MFC-J6710DW & MFC-J6910DW Color: Black, Cyan, Magenta, Yellow Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.